primrose-willow, water-purslane, or water-primrose, ludwigia elegans

beautiful beauty bloom blooming blossom botanic botanical botany brazil closeup color detail elegans flora floral flower flowering fresh garden green grow growth invasive janeiro leaves ludwigia natural nature outdoor petal places plant primrose primrosewillow purslane rio season spring summer water waterprimrose waterpurslane weed wet wild wildflower willow yellow